APA Citatie

Roberts , J. M. (1967). Europe 1880-1945. Longmans , Green and co.

Chicago Style citaat

Roberts , J M. Europe 1880-1945. Great Britain: Longmans , Green and co, 1967.

MLA citatie

Roberts , J M. Europe 1880-1945. Longmans , Green and co, 1967.